Grain shocker



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UNITED STATES PATENT OFFICE.

GEORGE INNES, DAVENPORT, IOWA, ASSIGNOR TO INNES SHOGKER COMPANY, OF PHILADELPHIA, PENNSYLVANIA, A CORPORATION OF DELAWARE.

GRAIN SHOCKER.

Original application filed December 23, 1919, Serial No. 346,843. Divided and application filed January 6, 1920, Serial No. 349,706. Original No. 1,512,769, dated October 21, 1924. Application for reissue filed AugustlZ, 1926. Serial No. 128,884.

My invention relates to certain improvements in. machines for shocking grain as it is received from a reaper and binder; and my present invention relates particularly to the mechanism for collecting the bundles and delivering the bundles to a basket, which, when loaded with a certain number of bundles, is allowed to fall and discharge its load on to the'ground.

One object of my invention is to design a machine of this character that will be accurate in operation, and will'deliver the bundles two at a time to the basket.

A further object of the invention is to provide means for collecting the bundles, and to receive the bundles from the binder in such a manner that the heads of the bundles will be in contact or inter-mesh, while the butts of the bundles will be separated.

A still further object of the invention is to provide means for carrying the bundles from the cradle into which the bundles are placed, to the basket, reversing the bundles, and at the same time holding them in the relation that they were assembled in the cradle.

The invention relates also to improvements in the mechanisms by which the above operations are accomplished.

In the accompanying drawings,-

Fig. 1 is a plan view of my improved grain shocker.

Fig. 2 is a rear elevation of the shocker with the basket in an elevated position.

' Fig. 3 is a side elevation.

Fig. 3 is a view similar to Fig. 3 drawn from an enlarged scale, showing the basket after falling to the ground.

Fig. 4; is an enlarged plan View of a part of the operating mechanism.

Fig. 4 is a plan view showing the other part of the operating mechanism.

Fig. 4 is a plan view of the forward end of the machine. These three figures are all on the same scale.

Fig. 5 is a plan View of the gripping mechanism for engaging the bundles and transferring them to the basket.

Fig. 6 is a sectional View on line 6-6, Fig. 5.

Fig. 7 is a front View of the gripping mechanism.

Fig. 8 is an enlarged view illustrating the mastand a part of the boom.

Fig. 9 is a longitudinal sectional view of a portion of the driving mechanism on the line 99, Fig. 4, and illustrating means for operating the boom.

Fig. 10 is a section on the line 1010, Fig. 9.

Fig. 11 is a sectional view on the line l1-11, Fig. 9.

Fig. 12 is a section on the line 1212, Fig. 4, illustrating the cradle and a part of the mechanism for operating the same.

Fig. 13 is an enlarged end elevation of the cradle 0n the line 13-13, Fig. 12.

Fig. 14 is a sectional view illustrating one end of the driving shaft, and the mechanism thereon, the section being on the line 14-44., Fig. 4.

Fig. 15 is a sectional view on the line 15 15, Fig. 14..

Fig. 16 is a longitudinal sectional View through the basket on the line 1616. Fig. 4, and illustrating mechanism for operating same.

Fig. 17 is a view illustrating detail of the invention drawn on the line 1717, Fig. 4.

Fig. 18 is a sectional view on the line 1818, Fig. 2.

Fig. 19 is a sectional view on the line 19 19, Fig. 2.

Fig. 20 is a plan view showing the boom with the gripping mechanism thereon. in full lines in. one position and dotted lines in the other position.

Figs. 21 and 22 are views of the gear wheels at the side of the gripping mechanism.

Figs. 23, 24 and 25 are views illustrating means for holding the bundles in the basket as it is being tilted to discharge its load.

Figs. 26, 27 28 and 29 are detached views illustrating mechanisms shown in Figs. 1 and P.

Fig. 30 is a detached perspective view of the boom hook and its carrier.

Fig. 31 is a detached perspective view of the divider board.

Fig. 32 is a detached perspective view of the divider arm.

Fig. 33 is a plan View proved shocker connected binder.

Figs. to 38 inclusive are diagrams illustrating the operation of the mechanism to discharge the basket with its load, and

Fig. 39 is an end view of a shock, showing the two rows of bundles with space between them.

1 is the frame of the machine in the present instance having cross braces 2, 3, 4c, and 5, which serve to support various parts of the operating machine. The machine is connected. to the binder by suitable bars 6 and 6, and T and 7 the latter extending diagonally from the front of the shocker machine to the front of the binder frame, and the former from the rear corner of the shocker machine to the forward portion of the binder draft means. The forward portion of the shocker frame is supported by a wheel 8, carried by a swivel arm 9, pivotally mounted in a bearing forming part of the frame 1.

10 is an axle mounted in the bearings on the frame and on the axle are Wheels 11 and 12, and movement of this axle 10 through the medium of suitable gearing, clutches and other mechanism, effects operation of the various parts of the shocker structure.

At the forward end of the frame 1, I mount a vertical mast 13, which may be stepped in a bearing 13 carried by the cross brace 2. and supported at its upper end by a bearing 14 mounted on a standard 15 and braces 15. At the upper end of the mast 13 is pivoted a boom 16, said boom carrying at its outer end a set of gripping fingers, indicated at 17, and more fully described hereinafter. The mast can turn on its pivot and the boom can be raised and lowered. The mast 13 is provided at its lower end with an arm 18 connected by a link 19 to a crank arm 20, carried by a vertical. shaft 21, having a broken gear 21 meshing with a broken gear 22. fast to a horizontal shaft 23; on which is a bevel pinion 24, meshing with a bevel gear wheel 25, on the end of a longitudinal shaft 26, which has a worm wheel 27 at its opposite end driven by a worm 28 loose on the shaft 10, and operatively connected therewith by a clutch 29. By the means just described,the mast 13 is given a horizontal movement to the extent of approximately a quarter circle for the purpose of effecting movement of the boom 16 whereby the latter may be placed in position to enable the gripping fingers to pick up bundles from the cradle of the shocker when in one extreme position. and to deliver said bundles to the shock-forming basket 30 when showing. my 1mto a reaper and in the other extreme position as shown in Fi 20.

ildditionally, in moving from side to side of the machine, the boom is raised and lowered, and this may be accomplished by means of a crank 23 carried by the shaft 23'; a telescopic rod 31, being more particularly described hereinafter, op'eratively connesting said crank with the boom.

In the present instance a pinion 32 is formed on' the hub of the worm- 28, and this pinion has a clutch face 32 for engagement by the clutch 29 spli-ned to the axle 10 so that when the clutch is in operative engage ment with the pinion, the shaft 26 and the mechanism effecting operation of the boom can be operated. The pinion 32 meshes with a gear wheel 35, mounted on a shaft 36, and said wheel 35 carries on its face a wedge-shaped cam 37, adapted to coact with a sliding rod 38, and release the clutch 29 at the end of each complete revolution of the gear wheel 35, which is in timed relation to the operation of the boom so as to allow it to make one complete movement. from the dwell position above the cradle and return. This interval approximates two and three-quarter revolutions of the shaft 10.

The rod 38 is suitably guided in apertured lugs 39, carried by a clutch lever 40, which is pivoted at 40 to a bracket 40 carried by the cross brace 3. A link 41 carried by the rod 38 extends forwardly into operative engagement with the arm 42 of a bell-crank lever pivoted at 43 to the bracket 40*. Action of the cam 37 operating upon the rod 38 moves it laterally, together Wtih the clutch lever 40, so as to disengage said clutch 29 from the pinion 32. The parts are held until the bell crank lever is again actuated to withdraw the rod 38 out of the path of the cam 37. After the cam has been released by the rod 38, a torsion spring 45 carried by the pivot pin 40 of the clutch lever 40 throws the same into action again. a

The bundles of grain are delivered from the binder delivery platform to a cradle formed of movable arms and fixed arms 53. The arms 50 are secured to a rock shaft 51, journaled in suitable bearings '52, car ried by a suitable supporting part of the framework of the shocker structure. Additionally, a series of fixed arms 53 project iqinvardly from a portion of the shocker structure which. may be termed the table, and the initial position of these several arms is illustrated in Fig. 13.

The arms 50 of the cradle receive the first bundle, and by the operation of suitable mechanism to be later described. lift the same to the position illustrated by dotted lines in said figure, when the gripper is in the position of rest, shown by broken lines,

Fig. 2. In addition to the arms 50, I provide a divider board'55, and a divider finger 56. The divider board 55 is Secured to an arm 58 on a shaft 57 and the finger is secured directly to the shaft 57 The arm 58 is connected by a chain 59 with one of the arms so that when the latter assume the raised position, as illustrated by the full lines, 2, the shaft 57 will be turned and the divider board and divider finger will be quickly lifted from the position shown by broken lines in Fig. 13 to the vertical position illustrated in full lines 1nsaid figure, and locked in such position by a latch 60. hen the divider board is in the position shown by broken lines, a pin on the board rests upon the lowermost arm 50.

After the first bundle has been raised to position and the divider board and divider finger have been brought into engagement with the same, the arms 50 must be dropped to pick up the second bundle; the divider board and divider finger remaining in position to hold the first bundle in place, and when the fingers 50 have lifted the second bundle, the gripper is ready to pick up the pair of bundles; having descended from the position shown in broken lines to the position shown in full lines, Fig. 2, and by the mechanism described, it may be raised and swung over to deposit said bundles in the basket; the gripper reversing during this operation.

Loose on the axle 10 between a bracket 63 on the cross bar 4 and a collar 61 is a bevel pinion 61 meshing with a bevel gear wheel 62 mounted on a stud 62 carried by the bracket 63. The bevel gear wheel 62 carries a crank pin 64 connected .by a link 65 to an arm 66, on the end of a rock shaft 67, journaled in suitable bearings 68 on the main frame. The rock shaft 67 also carries an arm 69. connected by a link 70, to an arm 71, carried by the rod or shaft 51 forming the pivotal support for the arms 50.

The pinion 61 is loose on the shaft 10 and may be brought into operative engagement therewith by means of a clutch sleeve 75, operated by a clutch lever 76, pivoted at 77, to a bracket 78 on the cross bar 3. The lever is provided with guide lugs 7 9 for a rod 80, having a head 81; the opposite end of said rod lying in position to be engaged by a cam 82 on the back of the pinion 61.

The rod controls the operation of the clutch lever and the pinion 61. Each time a bundle is tied and delivered by the binder to the arms 50. the link 85 is actuated-being pushed in the direction of the arrow 00. This link is operatively connected to a moving element of the binder and to an arm 86 on a short shaft having a second arm 87 disposed in position to engage the head 81 of the rod 80 when the link 85 is operated,

and this action removes the end of said rod 80 from the cam 82 on the pinion 61; per mitting the clutch 75 to engage said pinion; said clutch being moved to such position by a torsion spring 88. hen the link 85 is moved to its fullest extent in the direction of the arrow 00, it first raises and then releases the rod 80, the latter being then carried again into the path of the cam 82 by means of a spring 89 so as again to disconnect the clutch 75 after the pinion 61 completes one revolution. The movement of the link 85 is such that the arm 87 will not only pull the rod 80 free from engagement with the cam 82, but will pass beyond the head 81 thereof so that the'spring 89 can act to move the opposite end of said rod 80 as above described. hen the cranks 86 and 87 return to the position shown in Fig. 4, the latter must pass the head 81 of the rod 80, and to permit this, the latter has a pivoted end 87; a spring 87 being employed to hold said end in the active position.

The crank pin 64 on the pinion 62 is connected by a link 90 with a bar 91 pivoted at 92 to the bracket 40carried by the cross bar 3. The bar 91 carries a pawl 93 adapted for engagement with ratchet wheel 95, also pivoted on the axis 92; such pawl racking the wheel one tooth for every rotation of the bevel gear wheel 62, which represents the deposit of one bundle on the arms 50.

After the divider board 55 has been lifted to the position shown in Fig. 13, to separate a pair of bundles, it remains in such position until said bundles have been picked up by the gripper and delivered to the basket; being held in such position by a latch 60, which may be retained by a spring 60. After such action, it is necessary to drop the divider board 55 and the divider finger 56 for proper operation in connection with the next pair of bundles, and the latch 60 must be released. For this purpose, the arm 60 of the same is connected by a link 96, with a bell-crank lever 97 pivoted at 98 to the bracket 40", and having an end in position to be engaged by pins 99 carried by the ratchet wheel 95. The timing is such that the latch will only be operated after the second operation of the arms 50.

The bell-crank lever pivoted at 43 is also actuated by the pins 99 of the wheel the same engaging a projection 100 on the arm 42* of said lever; the end 42 of the same being connected by the link 41 to the rod 38 and operating tofree the same from the cam projection 37 on the face of the gear wheel 35. It will be noted that the clutch 29 is thrown in by means of the torsion spring 45.

The boom 16 carrying the mechanism is pivoted at the upper end of the mast 13. Its forward end is connected by means of a spring with a bracket 106 

